<http://schema.org/description>
"version 1.Bluetooth: V2.1 Class2 2.Chipset: Mode syst\u00E8me Bluetooth CSR BC57F68 + EDR 3.Bluetooth: HFP, HSP, A2DP, AVRCP 4.Frequency r\u00E9ponse: 20Hz-20KHz 5.Sensitivity: gamme 80dBm 6.Transmission: environ 10m"^^<http://www.w3.org/2001/XMLSchema#string>
<http://fr.dhgate.com/product/wholesales-mini-503-wireless-headphone-bluetooth/212751423.html>